:root {
    font-size: calc(100vw / 35);
}

div {
    --width: calc(10% + 30px);

    width: calc(0px);
    line-height: calc(0);
    line-height: calc(2 + 3 * 4);
    line-height: calc((2 + 3) * 4);
    line-height: calc(-5 * 0);
    width: calc((100px + 100px));
    width: calc(   (   100px   +   100px   )   );
    width: calc(   100px   +    100px   );
    width: calc(500px + 50%);
    width: calc(10% + 20%);
    width: calc(2pc + 3pt);
    width: calc(100% / 3 - 2 * 1em - 2 * 1px);

    width: calc(calc(50px));
    width: calc(calc(60%) - 20px);
    width: calc(calc(3 * 25%));
    width: calc(2 * var(--width));
    width: calc(pow(pow(30px / 1px, 3), 1/3) * 1px);
    width: calc(infinity);
    width: calc(InFiNiTy);
    width: calc(-InFiNiTy);
    width: calc(NaN);
    width: calc((1 * 2) * (5px + 20em / 2) - 80% / (3 - 1) + 5px);
}

.bar {
    font-size: calc(1rem * pow(1.5, -1));
    font-size: calc(1rem * pow(1.5, 0));
    font-size: calc(1rem * pow(1.5, 1));
    font-size: calc(1rem * pow(1.5, 2));
    font-size: calc(1rem * pow(1.5, 3));
    font-size: calc(1rem * pow(1.5, 4));
}

.fade {
    background-image: linear-gradient(silver 0%, white 20px, white calc(100% - 20px), silver 100%);
}

div {
    /*height: -webkit-calc(9/16 * 100%)!important;*/
    /*width: -moz-calc((50px - 50%)*2);*/
}
div { width: calc(100% / 4); }
div { margin-top: calc(-120% - 4px); }
div { width: calc(50% - ( ( 4% ) * 0.5 ) ); }

.fade {
    background-image: linear-gradient(silver 0%, white 20px,
    white calc(100% - 20px), silver 100%);
}

.type {
    /* Set font-size to 10x the average of vw and vh,
       but don’t let it go below 12px. */
    font-size: max(10 * (1vw + 1vh) / 2, 12px);
}

.type {
    /* Force the font-size to stay between 12px and 100px */
    font-size: clamp(12px, 10 * (1vw + 1vh) / 2, 100px);
}

.more {
    width: mod(18px, 5px);
    transform: rotate(mod(-140deg, -90deg));
    transform: rotate(atan2(1, -1));
    transform: rotate(tan(90deg));
    transform: rotate(atan(tan(90deg)));
    font-size: hypot(2em);
    font-size: hypot(-2em);
    font-size: hypot(30px, 40px);
    background-position: sign(10%);
    width: calc(pow(e, pi) - pi);
    width: min(pi, 5, e);
    width: log(5);
    width: log(5, 5);
    width: round(var(--width), 50px);
    width: round(nearest, var(--width), 50px);
    width: round(up, var(--width), 50px);
    width: round(down, var(--width), 50px);
    width: round(to-zero, var(--width), 50px);
}

.min-max {
    width: min(10px, 20px, 40px, 100px);
    width: max(10px, 20px, 40px, 100px);
    width: min(   10px   ,   20px   ,   40px   ,   100px   );
}

.rem {
    width: rem(-18px, 5px);
}

.sin {
    transform: rotate(sin(45deg));
    transform: rotate(sin(3.14159 / 4));
}

.cos {
    transform: rotate(cos(45deg));
    transform: rotate(cos(3.14159 / 4));
}

.asin {
    transform: rotate(asin(45deg));
    transform: rotate(asin(pi / 4));
}

.acos {
    transform: rotate(acos(45deg));
    transform: rotate(acos(pi / 4));
}

.atan {
    transform: rotate(atan(1 / -1));
}

.atan2 {
    transform: rotate(atan2(1, -1));
}

.sqrt {
    size: sqrt(250);
}

.exp {
    size: exp(250 * 2);
}

.abs {
    background-position: calc(10% * abs(-10%));
}

.sign {
    background-position: sign(10%);
    background-position: sign(10% * 2);
    background-position: sign(   10%   *   2   );
    background-position: sign(10%*2);
    background-position: sign(   10   +   10   );
    background-position: sign(   10%   );
    width: calc(   (   100px   +   100px   )   *   2   );
}